M.2 drive backplanes

Use the section to understand the cable routing for the M.2 drive backplanes.

Power cable routing

Figure 1. Power cable routing

From	To
1 Power connector on the M.2 drive backplane	M.2 power connector on the system board assembly

Signal cable routing

The M.2 drive backplane supports either SATA cable connection or NVMe cable connection.

Figure 2. SATA cable routing		Figure 3. NVMe cable routing Note The following illustration shows four NVMe cable connection options, but the four options are mutually exclusive. Select one of them based on your scenario.
From	To	From	To
1 Signal connector on the M.2 drive backplane	M.2/7mm backplane signal connector on the system board assembly	Signal connector on the M.2 drive backplane	1 PCIe 1
			2 PCIe 3 (one CPU installed)
			3 PCIe 8
			4 PCIe 10